ERROR opening https://cactus.nci.nih.gov/chemical/structure/OC1%3DC2C%28%3DCC%28OC%29%3DC1OC%29CC%5BN%2B%5D%28C%29%28C%29%5BC%40H%5D2C/file?format=sdf&get3d=True -- OC1%3DC2C%28%3DCC%28OC%29%3DC1OC%29CC%5BN%2B%5D%28C%29%28C%29%5BC%40H%5D2C could not be loaded.